#1D2D5A#1D2D5A

#1D2D5A is a dark, moderate blue. Relative luminance 0.029; OKLCH L 31.0% C 0.083 H 266.8°. Best body text is #FFFFFF at 13.33:1 contrast (WCAG AA passes).

Color values

HEX	#1D2D5A
RGB	rgb(29, 45, 90)
HSL	hsl(224, 51%, 23%)
HSV	hsv(224, 68%, 35%)
CMYK	cmyk(67.8%, 50%, 0%, 64.7%)
CIE-LAB	lab(19.54, 9.76, -29.12)
CIE-LCH	lch(19.54, 30.71, 288.53°)
OKLab	oklab(30.98% -0.0046 -0.0832)
OKLCH	oklch(30.98% 0.083 266.8)
XYZ	xyz(3.2899, 2.8759, 10.0526)
Luminance	0.0288 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2D5A #5A4A1D

analogous

#1D4B5A #1D2D5A #2B1D5A

triadic

#1D2D5A #5A1D2D #2D5A1D

tetradic

#1D2D5A #5A1D4B #5A4A1D #1D5A2B

square

#1D2D5A #5A1D4B #5A4A1D #1D5A2B

split-complementary

#1D2D5A #5A2B1D #4B5A1D

monochromatic

#070C17 #0E162C #1D2D5A #2C4488 #3B5BB7

Accessibility & contrast

On white

13.33

#1D2D5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#1D2D5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2D5A

13.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2D5A	#FFFFFF	#000000	##FFFFFF
##1D2D5A	1.00	13.33	1.58	13.33
#FFFFFF	13.33	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17325C

Deuteranopia (green-blind)

#0C2D59

Tritanopia (blue-blind)

#00373F

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1d2d5a;
/* rgb */ color: rgb(29, 45, 90);
/* oklch */ color: oklch(31.0% 0.083 266.8);

Tailwind

colors: {
  custom: {
    50: '#606589',
    500: '#1d2d5a',
    950: '#000000',
  },
}

SCSS

$custom: #1d2d5a;
$custom-light: #606589;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2d5a",
  "rgb": {
    "r": 29,
    "g": 45,
    "b": 90
  },
  "hsl": {
    "h": 224.262,
    "s": 51.261,
    "l": 23.333
  },
  "oklch": {
    "l": 0.30984,
    "c": 0.08334,
    "h": 266.8
  },
  "luminance": 0.02876
}

Semantic roles & 50–950 ramp

primary

#1D2D5A

secondary

#8F7B44

accent

#B64DDB

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05050B

muted

#797A7C

Preview Lab

Preview with #1D2D5A

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →